List of top Physics Questions on Ohm's Law asked in Bihar Board XII

The graph between voltage \( V \) of a conductor and current \( I \) is a straight line, which makes an angle \( \theta \) with the y-axis (which represents \( I \)). The resistance of the conductor will be

Which of the following represents resistance, R?
\( \rho = \text{resistivity}, l = \text{length of material}, A = \text{cross-sectional area} \)

Power of electric circuit is